Firefox User Agents

Firefox User Agents in our database. This is a listing of only some of the most popular ones.

• Mozilla/5.0 (Windows NT 6.3; rv:36.0) Gecko/20100101 Firefox/40.0

  Firefox 40 on Windows 8

• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:40.0) Gecko/20100101 Firefox/40.0 AlexaToolbar/pXVWdYLf-2.2

  Firefox 40 on Mac 10

• Mozilla/5.0 (Windows NT 6.3; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0,gzip(gfe)

  Firefox 34 on Windows 8

• Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12

  Firefox 3 on Windows 2000

• Mozilla/5.0 (Windows NT 6.1) (KHTML, like Gecko) Firefox/40.0

  Firefox 40 on Windows 7

• Mozilla/5.0 (Windows NT 5.1; rv:11.0) Gecko/20100101 Firefox/11.0

  Firefox 11 on Windows XP

• Mozilla/5.0 (X11; U; Linux i686; fr; rv:1.9.1.1) Gecko/20090715 Firefox/3.5.1

  Firefox 3 on GNU/Linux

• Mozilla/5.0 (Windows NT 07.0; WOW64; rv:30.0) Gecko/20100101 Firefox/40.0

  Firefox 40 on Windows NT

• Mozilla/5.0 (Windows; U; Win 9x 4.90; hu; rv:1.8.1.20) Gecko/20081217 Firefox/2.0.0.20

  Firefox 2 on Windows ME

• Mozilla/35.0 (Windows NT 6.1; WOW64; rv:27.0) Gecko/20100101 Firefox/27.0

  Firefox 27 on Windows 7

• Mozilla/35.0 (Windows NT 6.1; WOW64; rv:28.0) Gecko/20100101 Firefox/35.0

  Firefox 35 on Windows 7

• Mozilla/5.0 (Windows NT 5.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0

  Firefox 40 on Windows XP

• Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13 CovarioCSE/4.0.0

  Firefox 3 on Windows 7

• Mozilla/5.0 (X11; U; Linux i686; es-ES; rv:1.9.0.10) Gecko/2009042315 Firefox/3.0.10 (Splashtop-v1.4.5.3)

  Firefox 3 on GNU/Linux

• Mozilla/5.0 (X11; U; Linux i686; en-GB; rv:2.0) Gecko/20110404 Fedora/16-dev Firefox/4.0

  Firefox 4 on Fedora 16

• Mozilla/5.0 (Windows NT 6.0; WOW64; rv:14.0) Gecko/20100101 Firefox/14.0.1

  Firefox 14 on Windows Vista

• Mozilla/5.0 (X11; Linux i686 on x86_64; rv:19.0) Gecko/20100101 Firefox/19.0

  Firefox 19 on GNU/Linux

• Mozilla/5.0 (X11; Linux i686; rv:13.0) Gecko/20100101 Firefox/13.0.1

  Firefox 13 on GNU/Linux

• Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.12) Gecko/20080219 Firefox/2.0.0.12 Navigator/9.0.0.6

  Firefox 2 on Mac

• Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13

  Firefox 3 on Mac 10

• Mozilla/5.0 (Windows NT 5.2; WOW64; rv:32.0) Gecko/20100101 Firefox/32.0

  Firefox 32 on Windows Server 2003

• Mozilla/5.0 (Linux; rv:26.0) Gecko/20100101 Firefox/26.0

  Firefox 26 on GNU/Linux

• Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.0.19) Gecko/2010031218 Firefox/3.0.19

  Firefox 3 on Mac 10

• Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3

  Firefox 3 on Windows Vista

• Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8 (.NET CLR 3.5.30729)

  Firefox 3 on Windows Vista

• Mozilla/5.0 (Windows NT 5.1; rv:16.0) Gecko/20100101 Firefox/16.0

  Firefox 16 on Windows XP

• Mozilla/5.0 (X11; U; Linux i686; pt-BR; rv:1.9.2.17) Gecko/20110420 Firefox/3.6.17

  Firefox 3 on GNU/Linux

• Mozilla/5.0 (X11; SunOS i86pc; rv:17.0) Gecko/20100101 Firefox/17.0

  Firefox 17 on Solaris

• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.247) Gecko/20100101 Firefox/23.247

  Firefox 23 on Windows 7

• Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2) Gecko/20100115 YFF35 Firefox/3.6

  Firefox 3 on Mac 10

• Mozilla/5.0 (X11; Linux i686; rv:39.0) Gecko/20100101 Firefox/39.0

  Firefox 39 on GNU/Linux

• Mozilla/5.0 (Windows NT 5.1; rv:30.0) Gecko/20100101 Firefox/41.0

  Firefox 41 on Windows XP

• Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Firefox/31.0

  Firefox 31 on GNU/Linux

• Mozilla/5.0 (X11; Linux i686 on x86_64; rv:40.0) Gecko/20100101 Firefox/40.0

  Firefox 40 on GNU/Linux

• Mozilla/5.0 (Windows NT 5.1; rv:2.0) Gecko/20100101 Firefox/4.0

  Firefox 4 on Windows XP

• Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:66.6) Gecko/20100101 Firefox/66.6

  Firefox 66 on Windows 7

• Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5 (Splashtop-v1.3.11.0)

  Firefox 3 on GNU/Linux

• Mozilla/5.0 (X11; Linux x86_64; rv:41.0) Gecko/20100101 Firefox/41.0

  Firefox 41 on GNU/Linux

• Mozilla/5.0 (Windows NT 5.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1

  Firefox 4 on Windows XP

• Mozilla/5.0 (X11; Fedora; Linux i686; rv:40.0) Gecko/20100101 Firefox/40.0

  Firefox 40 on Fedora

• Mozilla/5.0 (Windows NT 6.0; rv:40.0) Gecko/20100101 Firefox/40.0,gzip(gfe)

  Firefox 40 on Windows Vista

• Mozilla/5.0 (Windows; U; Windows NT 6.0; en; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7

  Firefox 3 on Windows Vista

• Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090716 Ubuntu/9.04 (jaunty) Shiretoko/3.5.1

  Firefox 3 on Ubuntu 9

• Mozilla/5.0 (Windows NT 5.2; rv:33.0) Gecko/20100101 Firefox/33.0

  Firefox 33 on Windows Server 2003

• Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.2.11) Gecko/20101012 Firefox/3.6.11

  Firefox 3 on Windows XP

• Mozilla/5.0 (Windows NT 10.0; Win64; x64) Gecko/20100101 Firefox/40.0

  Firefox 40 on Windows 10

• Mozilla/5.0 (X11; Linux x86_64; rv:25.0) Gecko/20100101 Firefox/25.0

  Firefox 25 on GNU/Linux

• Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.11) Gecko/2009060215 Firefox/3.0.11 ( .NET CLR 3.5.30729; .NET4.0E) 88780803 Service 2.00302

  Firefox 3 on Windows XP

• Mozilla/5.0 (X11; U; Linux x86_64; us; rv:1.9.1.19) Gecko/20110430 shadowfox/7.0 (like Firefox/7.0

  Firefox 7 on GNU/Linux

• Mozilla/5.0 (Intel Mac OS X 10.11; rv:40.0) Gecko/20100101 Firefox/40.0

  Firefox 40 on Mac 10